patch-2.1.12 linux/include/asm-m68k/page.h

• Lines: 32
• Date: Fri Nov 22 15:56:36 1996
• Orig file: v2.1.11/linux/include/asm-m68k/page.h
• Orig date: Wed Sep 25 10:47:41 1996

diff -u --recursive --new-file v2.1.11/linux/include/asm-m68k/page.h linux/include/asm-m68k/page.h
@@ -10,6 +10,9 @@
 
 #define STRICT_MM_TYPECHECKS
 
+#define clear_page(page)	memset((void *)(page), 0, PAGE_SIZE)
+#define copy_page(to,from)	memcpy((void *)(to), (void *)(from), PAGE_SIZE)
+
 #ifdef STRICT_MM_TYPECHECKS
 /*
  * These are used to make use of C type-checking..
@@ -50,18 +53,14 @@
 
 #endif
 
-/* This is the cache mode to be used for pages containing page descriptors for
- * processors >= '040. It is in pte_mknocache(), and the variable is defined
- * and initialized in head.S */
-extern int m68k_pgtable_cachemode;
-
 /* to align the pointer to the (next) page boundary */
 #define PAGE_ALIGN(addr)	(((addr)+PAGE_SIZE-1)&PAGE_MASK)
 
 /* This handles the memory map.. */
 #define PAGE_OFFSET		0
-#define MAP_NR(addr)		(((unsigned long)(addr)) >> PAGE_SHIFT)
-#define MAP_PAGE_RESERVED	(1<<15)
+#define __pa(x)			((unsigned long)(x)-PAGE_OFFSET)
+#define __va(x)			((void *)((unsigned long)(x)+PAGE_OFFSET))
+#define MAP_NR(addr)		(__pa(addr) >> PAGE_SHIFT)
 
 #endif /* __KERNEL__ */